10
©2022 Harford Attachments Ltd
PROLOK/GEN/MAN/R4
Connecting an Attachment to your Pro-Lok
SAFETY NOTICE:
It is recommended that safety gloves are worn during the attachment changeover
operation.
1. Lower the quick hitch front C-shaped jaw down towards the front attachment pin, as shown
in Figure 2, step 1.
2. Engage C-shaped jaw with front attachment pin as shown in Figure 2, step 2.
3. Extend the crowd cylinder down towards the rear attachment pin whilst simultaneously lifting
the attachment, as shown Figure 2, step 3.
4. Continue extending the crowd cylinder so the front attachment pin is firmly seated in the C-
shaped jaw and the rear pin is seated on the rear locking surface, shown in Figure 2, step 4.
5. Use the ratchet spanner to rotate the threaded actuator in a clockwise direction until the
wedge plate is fully tightened against the rear attachment pin.
6. Visually check that the locking wedge plate is securely located against the rear attachment
pin and the front lock is closed. Also ensure that the indicator bar is in the correct operating
position as shown by Figure 3.
Figure 2
Step 2
– Engage ‘C’ shaped
jaw with front attachment pin
Step 3
– Crowd quick hitch to
engage with rear attachment pin
Step 4
– Crowd bucket until rear pin
is much lower than attachment pin
Front bucket pin
Rear bucket pin
Step 1
– Lower quick hitch to
front attachment pin
